<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Document</title>
</head>
<body>
  <div id="app">
    <input type="text" v-color='msg'>
  </div>
  <script type="text/javascript" src="js/vue.js"></script>
  <script type="text/javascript">
    /*
      自定义指令-带参数
    */
    Vue.directive('color', {
      bind: function(el, binding){
        // 根据指令的参数设置背景色
        // console.log(binding.value.color)
        el.style.backgroundColor = binding.value.color;
      }
    });
    var vm = new Vue({
      el: '#app',
      data: {
        msg: {
          color: 'blue'
        }
      },
      methods: {
        handle: function(){
          
        }
      }
    });
  </script>
</body>
</html>
